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Paper Abstract and Keywords
Presentation 2018-07-24 15:45
[Invited Talk] Extension of equivalent circuit representation of vocal-tract models
Kunitoshi Motoki (Hokkai-Gakuen Univ.) EA2018-17
Abstract (in Japanese) (See Japanese page) 
(in English) Computational models of speech production are explained with the electrical equivalent circuit representation. One-dimensional acoustic tube is well-known approximation of vocal tracts under the assumption of the plane wave propagation, and is electrically represented by transmission line. For the purpose of the extension of the vocal-tract models, three-dimensional acoustic field is represented in terms of both plane waves and higher-order modes in tubes which can be also represented by electrical circuits. This model is constructed using an asymmetrically connected structure of rectangular acoustic tubes, and can parametrically represent acoustic characteristics in higher frequencies where the assumption of the plane wave propagation does not hold. Computational results show the appearance of zeros in the transfer characteristics even the vocal tract does not include any branch in its geometrical configuration.
Keyword (in Japanese) (See Japanese page) 
(in English) vocal-tract model / electrical equivalent circuit / acoustic tube / higher-order modes / vocal-tract transfer function / / /  
Reference Info. IEICE Tech. Rep., vol. 118, no. 149, EA2018-17, pp. 97-102, July 2018.
Paper # EA2018-17 
Date of Issue 2018-07-17 (EA) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF EA2018-17

Conference Information
Committee EA ASJ-H ASJ-AA  
Conference Date 2018-07-24 - 2018-07-25 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Engineering/Electro Acoustics, Psychological and Physiological Acoustics, Architectural Acoustics, Education in Acoustics, and Related Topics 
Paper Information
Registration To EA 
Conference Code 2018-07-EA-H-AA 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Extension of equivalent circuit representation of vocal-tract models 
Sub Title (in English)  
Keyword(1) vocal-tract model  
Keyword(2) electrical equivalent circuit  
Keyword(3) acoustic tube  
Keyword(4) higher-order modes  
Keyword(5) vocal-tract transfer function  
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1st Author's Name Kunitoshi Motoki  
1st Author's Affiliation Hokkai-Gakuen University (Hokkai-Gakuen Univ.)
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Speaker Author-1 
Date Time 2018-07-24 15:45:00 
Presentation Time 45 minutes 
Registration for EA 
Paper # EA2018-17 
Volume (vol) vol.118 
Number (no) no.149 
Page pp.97-102 
#Pages 6 
Date of Issue 2018-07-17 (EA) 

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